Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2564016528

Certificate GIA 2564016528

Diamond specifications and retailer prices

From HK$23,220 HKD
A$4,553 AUD
As of October 31, 2026
Save HK$24,986 HKD (52%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$49,954 HKD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564016528. Listed at 22 retailers as of October 29, 2026, with a 108% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2564016528
Dimensions6.39 × 6.43 × 4.04 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.39 mm6.43 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564016528
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$49,954 HKD|Low: HK$20,713 HKD|High: HK$49,954 HKD|Avg: HK$33,807 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3HK$23,220 HKD
Retailer 5HK$24,698 HKD
Retailer 7HK$25,671 HKD
Retailer 10HK$28,676 HKD
Retailer 2HK$28,897 HKD
Retailer 6HK$30,678 HKD
Retailer 9HK$30,713 HKD
Retailer 4HK$34,195 HKD
Retailer 8HK$48,206 HKD
NZ JewellersHK$49,954 HKD

43 data points across 10 retailers

22 retailersHK$23,220 HKD to HK$48,206 HKD

A
Cheapest Retailer
-
HK$23,220 HKD
A$4,553 AUD
A
Retailer 2
-
HK$24,698 HKD
$3,148 USD
View
B+
Retailer 3
-
HK$25,671 HKD
$3,272 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$27,222 HKD
A$5,338 AUD
View
B+
Retailer 5
-
HK$27,538 HKD
$3,510 USD
View
Retailer 6
-
HK$28,676 HKD
$3,655 USD
View
Price last confirmed 54 days ago
Retailer 7
-
HK$28,676 HKD
$3,655 USD
View
Price last confirmed 44 days ago
Retailer 8
-
HK$28,676 HKD
$3,655 USD
View
Price last confirmed 30 days ago
Retailer 9
-
HK$28,676 HKD
$3,655 USD
View
Price last confirmed 16 days ago
B+
Retailer 10
-
HK$28,897 HKD
£2,900 GBP
View
Retailer 11
-
HK$29,774 HKD
$3,795 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
HK$29,815 HKD
$3,800 USD
View
B+
Retailer 13
-
HK$30,678 HKD
€3,724 EUR
View
Retailer 14
-
HK$30,713 HKD
A$6,023 AUD
View
Price last confirmed 23 days ago
Retailer 15
-
HK$33,085 HKD
$4,217 USD
View
Price last confirmed 55 days ago
Retailer 16
-
HK$33,085 HKD
$4,217 USD
View
Price last confirmed 44 days ago
Retailer 17
-
HK$33,085 HKD
$4,217 USD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
HK$34,195 HKD
ZAR 70,411 ZAR
View
B
Retailer 19
-
HK$48,206 HKD
£4,838 GBP
View
Retailer 20
-
HK$49,954 HKD
$6,367 USD
View
Price last confirmed 44 days ago
Retailer 21
-
HK$49,954 HKD
$6,367 USD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
fd0aff89-c771-45ef-8c4c-eca964b0d79d · Sep 28
HK$49,954 HKD
$6,367 USD
View
Price last confirmed 34 days ago
21 more retailers have this diamond
Prices start from HK$23,220 HKDSave up to HK$24,986 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.02ct Round
HK$23,220 HKD